You set the workpiece under the jaw and squeeze the handle repeatedly to ratchet the jaw down and hold the piece in place.
The usual way to secure a piece of stock to a fixturing table is to use top-down clamps, which hold the workpiece from the top and screw down into the table. However, this method limits how much ...
Instead of clamping down, use them as a spreader ... Finger-length spring clamps hold glue-ups on miniature items, like tiny ...